(6.8-5.4)* 2.75-0.9
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(6.8-5.4)*2.75-0.9(6.8-5.4)*2.75-0.9(6.8-5.4)*2.75-0.9(6.8-5.4)*2.75-0.9=1.4*2.75-0.9=3.85-0.9=2.95(
(6.8-5.4)* 2.75-0.9
(6.8-5.4)* 2.75-0.9
(6.8-5.4)* 2.75-0.9
(6.8-5.4)*2.75-0.9
=1.4*2.75-0.9
=3.85-0.9
=2.95
(6.8-5.4)*2.75-0.9=1.4*2.75-0.9=3.85-0.9=2.95
(6.8-5.4)×2.75-0.9=1.4×2.75-0.9=3.85-0.9=2.95
(6.8-5.4)* 2.75-0.9
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